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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kim, D.U. Hong, J.S. Chung, B.H. Jeon, J.H. Lee, K.O. |
| Copyright Year | 2008 |
| Description | Author affiliation: Korea Accel. & Plasma Res. Assoc., Seo (Kim, D.U.; Hong, J.S.; Chung, B.H.; Jeon, J.H.; Lee, K.O.) |
| Abstract | An arc plasma torch system for iron production with low carbon exhaust has been developed. Instead of using cokes, $H_{2}$ and $CH_{4}$ gas are used as plasma forming gases for direct reduction of iron oxide. Three carbon rods are used as electrodes, and each electrode is connected with one phase of three phase A.C. power supply. Arc discharge is sustained between the two of three electrodes, and electrodes manipulating device is designed to feed the electrodes into furnace to maintain fixed electrode gap during operation. Plasma gas is injected from the bottom of furnace, and the exhausted gas flow is upward. Temperature and enthalpy distribution of arc plasma are obtained for various operating conditions such as applied voltage, arc current, plasma gas flow rate etc., by numerical method. Chemical equilibria of materials are calculated using conventional code for these data. The relation among iron production rate, operating conditions (input power, gas flow rage) and carbon dioxide exhaust rate are discussed. |
| Starting Page | 1 |
| Ending Page | 1 |
| File Size | 26315 |
| Page Count | 1 |
| File Format | |
| ISBN | 9781424419296 |
| ISSN | 07309244 |
| DOI | 10.1109/PLASMA.2008.4590901 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-06-15 |
| Publisher Place | Germany |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Plasmas Electrodes Iron Carbon Fluid flow Production Furnaces |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Condensed Matter Physics Electrical and Electronic Engineering |
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